| plica choroidea | In the embryo, an infolding of the chorion from which the choroid plexus develops. (05 Mar 2000) |
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| plica duodenalis inferior | A fold of peritoneum bounding the inferior duodenal recess. Synonym: plica duodenalis inferior, plica duodenomesocolica, duodenomesocolic fold. (05 Mar 2000) |
| plica duodenalis superior | A fold of peritoneum bounding the superior duodenal recess. Synonym: plica duodenalis superior, plica duodenojejunalis, duodenojejunal fold. (05 Mar 2000) |
| plica duodenojejunalis | An alternate term for superior duodenal fold. (05 Mar 2000) |
| plica duodenomesocolica | An alternate term for inferior duodenal fold. (05 Mar 2000) |
| plica epigastrica | The ridge on the peritoneal surface of the anterior abdominal wall formed by the inferior epigastric vessels. Synonym: plica umbilicalis lateralis, epigastric fold, plica epigastrica. (05 Mar 2000) |
| plica fimbriata | One of several folds running outward from the frenulum on the undersurface of the tongue. Synonym: fimbriated fold. (05 Mar 2000) |
| plica glossoepiglottica lateralis | The fold of mucous membrane that extends from the margin of the epiglottis to the pharyngeal wall and base of the tongue on each side, forming the lateral boundary of the epiglottic valleculae. Synonym: plica glossoepiglottica lateralis, pharyngoepiglottic fold. (05 Mar 2000) |
| plica glossoepiglottica mediana | <anatomy> A fold of mucous membrane in the midline that extends from the back of the tongue to the epiglottis, forming the medial boundary of the epiglottic valleculae. Synonym: plica glossoepiglottica mediana, frenulum epiglottidis, middle glossoepiglottic fold. (05 Mar 2000) |
| plica gubernatrix | <anatomy> In the foetus, a fold of the mesorchium containing the gubernaculum testis. Synonym: ligamentum genitoinguinale, plica gubernatrix. (05 Mar 2000) |
| plica hypogastrica | A fold of peritoneum on the lower part of the anterior abdominal wall that covers the obliterated umbilical artery on either side of the urachus. Synonym: plica umbilicalis medialis, plica hypogastrica. (05 Mar 2000) |
| plica ileocaecalis | A fold of peritoneum bounding the ileocaecal or ileoappendicular fossa. Synonym: plica ileocaecalis, Treves' fold. (05 Mar 2000) |
| plica incudis | A variable fold of mucosa that passes from the roof of the tympanic cavity to the body and short limb of the incus. Synonym: plica incudis. (05 Mar 2000) |
| plica inguinalis | An embryonic mesodermal thickening that joins the caudal end of the urogenital ridge to the anterior abdominal wall; the gubernaculum of the testis develops in it. Synonym: inguinal fold. (05 Mar 2000) |
| plica interdigitalis | One of the folds of skin, or rudimentary web, between the fingers and toes. Synonym: interdigital folds, plica interdigitalis. (05 Mar 2000) |